#root {
  margin-bottom: 8px;
}
body{
  background-color: #e9e8e8;
}

.nav {
  position: relative;
  height: 58px;
  -webkit-font-smoothing: antialiased;
}

.nav1 {
  margin: 0;
  font-size: 22px;
  font-weight: 200;
  line-height: 58px;
  color: #333;
}

.nav4 {
  position: absolute;
  top: 0;
  right: 0;
}

.nav2 {
  font-size: 16px;
  line-height: 58px;
  color: #424242;
  -webkit-transition: all .4s;
  transition: all .4s;
}

.nav3 {
  display: inline-block;
  width: 12px;
  height: 12px;
  padding: 4px;
  margin-left: 8px;
  border-radius: 16px;
  font-size: 12px;
  line-height: 12px;
  background: #b0b0b0;
  color: #fff;
  vertical-align: 1px;
  -webkit-transition: all .4s;
  transition: all .4s;
}
.nav3::before{
  content: "";
}

.span4 {
  float: left;
  width: 234px;
}

.span16 {
  float: left;
  width: 978px;
  margin-top: -15px;
  height: 614px;
}
.brick-list{
  width: 992px;
  height: 614px;
}

.brick-promo-list {
  margin: 0 0 -14px -14px;
  height: 614px;
  margin: 0;
  padding: 0;
  list-style-type: none;
}

ul {
  display: block;
  list-style-type: disc;
  margin-block-start: 1em;
  margin-block-end: 1em;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
  padding-inline-start: 40px;
  margin-left: -40px;
}
.list{
  list-style-type: none;
}
.xh{
  float: left;
  width: 23.5%;
  margin-left: 14px;
  margin-bottom: 14px;
  background-color: #fff;
  height: 300px;
}
.xh a{
  height: 100%;
  display: block;
  padding: 20px 0;
  text-decoration: none;
}
.xh>a h3,p{
width: 214px;
text-align: center;
}
.title{
  font-size: 14px;
  margin: 0 10px 2px;
  color: black;
  font-family: fangsong;
}
.desc{
  font-size: 12px;
  margin: 0 10px 10px;
  color: rgb(211, 211, 211);
}
.price{
  color: #ff6700;
  margin: 0 10px 14px;
}